"""""""The image shows part of a three-mile section of the great earthwork boundary dyke built along the Anglo-Welsh border by Offa, King of Mercia around the 780s. Offa was the King of the Mercians, a warrior tribe from central England, from 747 to 796 AD. He had seized power during a time of great unrest along the border between Wales and England. He decided to separate two countries."""
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